SCENARIO 19-4 A Factory Supervisor Is Concerned That the Time It Takes

question 32

Short Answer

SCENARIO 19-4
A factory supervisor is concerned that the time it takes workers to complete an important production task (measured in seconds)is too erratic and adversely affects expected profits.The supervisor proceeds by randomly sampling 5 individuals per hour for a period of 10 hours.The sample mean and range for each hour are listed below.
She also decides that lower and upper specification limit for the critical-to-quality variable should be 10 and 30 seconds,respectively.
-Referring to Scenario 19-4,what percentage of the time it takes workers to complete an important production task will fall inside the specification limits?

---

Definitions:

Descriptive Study

A research method focused on describing characteristics of a population or phenomenon being studied.

Correlational Research

A type of non-experimental research method involving the observation and statistical analysis of relationships between variables, without determining cause and effect.

Unethical

Behaving in a manner that is contrary to what is morally right or accepted as good practice, often violating accepted moral principles or standards.

Stressful Situations

Events or scenarios that cause a person to experience stress, which is a physiological and psychological response to perceived threats.